code: def shuffle(self, buckets_idcs):
      for i in range(len(buckets_idcs)):
          np.random.shuffle(buckets_idcs[i])
  
file_path: ludwig/ludwig/data/batcher/bucketed.py
imports: import numpy
  from ludwig.data.batcher.base import Batcher
label_desc: Use image node_id 2 for calling the BucketedBatcher obj's underlying member method code with example usage: obj.shuffle(buckets_idcs) without return types